Home / 110,205.16-151,873.38-79,938.28

Finding the Fourth Proportional to 110,205.16, 151,873.38 and 79,938.28

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Solution

The fourth proportional to 110,205.16, 151,873.38 and 79,938.28 is: 110,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,205.16 : 151,873.38 = 79,938.28 : x
  2. Step 2: Convert to fraction form
    110,205.16/151,873.38 = 79,938.28/x
  3. Step 3: Cross multiply
    110,205.16x = 151,873.38 × 79,938.28
  4. Step 4: Simplify right side
    110,205.16x = 12,140,496,774.99
  5. Step 5: Solve for x
    x = 12,140,496,774.99/110,205.16
  6. Step 6: Final answer
    x = 110,162.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.